H3C S5048E web不能配置端口链路汇聚在web中配置链路汇聚 手工模式时,添加端口状态都是不能添加的状态。通过控制口，查看当然运行配置信息如：interface GigabitEthernet0/47 speed 1000 controller arp enable undo arp detection trust arp rate-limit 15 port link-aggregation group 1 dhcp-snooping trust#interface GigabitEthernet0/48 speed 1000 controller arp enable  undo arp detection trust arp rate-limit 15 dhcp-snooping trust#然后通过命令配置聚合， #: port link-aggregation group 1 mode manaul提示打开controller arp enable 命令，不能配置聚合。#： undo controller arp 再配置端口聚合，可以正常配置。#: port link-aggregation group 1 mode manaul# interface GigabitEthernet 0/48#: port link-aggregation group 1# interface GigabitEthernet 0/47#: port link-aggregation group 1再到web中查看配置，已经添加好了端口聚合。配置关键点：1．同一个汇聚组中端口的基本配置必须保持一致，基本配置主要包括STP、QoS、VLAN、端口属性等相关配置；2．对于端口环回监测（loopback-detect...

On a computer that has a multicore processor, you may be unable to install SQL Server 2005  Email  Print SymptomsConsider the following scenario. You try to install Microsoft SQL Server 2005 on a computer that has a multicore processor, and one of the following conditions is true:The ratio between logical processors and physical sockets is not a power of 2. For example, the computer has a single socket together with a triple-core processor. The number of physical cores is not a power of 2.The total number of CPUs is an odd number. For example, there are seven or nine CPUs.In these scenarios, you cannot install SQL Server 2005.When the installation fails, the following error message is logged in the Summary.txt file:The SQL Server service failed to start. For more information, see the SQL Server Books Online topics, "How to: View SQL Ser...

Centos6升级Centos7.2最新版网上教程都是旧版的，没法用。自己想到办法解决了。step 1,配置yum源：[root@localhost ~]# cat /etc/yum.repos.d/upgrade.repo                                                 [upgrade]name=upgradebaseurl=http://dev.centos.org/centos/6/upg/x86_64/enable=1gpgcheck=0step 2安装升级软件工具：[root@localhost ~]# yum install preupgrade-assistant-contents redhat-upgrade-tool preupgrade-assistant$ sudo preupg Preupg tool doesn't do the actual upgrade. Please ensure you have backed up your system and/or data in the event of a failed upgrade that would require a full re-install of the system from installation media. Do you want to continue? y/n y Gathering logs used by preupgrade assistant: All installed packages : 01/10 ...finished (time 00:00s) All changed files : 02/10 ...finished (time 00:48s) Changed config files : 03/10 ...finished (tim...

oneproxy---mysql代理集群安装   　OneProxy是一款数据库中间件，与目前市面上的TDDL、MySQL-Proxy属于同类型产品。我们坚持研发OneProxy是基于如下几点考虑：     　1. 我们不想被某一种开发语言绑定：TDDL绑定了客户必须使用JAVA做开发语言，而且整个一套系统的正常运行非常依赖于强大的配置推送中心和雄厚的运维团队；     　2. 使用上必须透明： MySQL-Proxy实现了MySQL协议，使得其看起来就像一个MySQL数据库一样，因此客户可以使用任何他们喜欢的语言来操作数据库。因此OneProxy借鉴了其在协议上的实现。     　3. 我们需要更稳定，更多功能的中间件： 令人痛心的是，官方对这款产品的重视度好像不够。从2007年第一版推出到2015年都快八年了，仍未达到GA状态。 　 我们的OneProxy是楼方鑫倾力打造的一款产品，里面的每一行代码都流淌着丰富的经验。可以说，OneProxy生而为实战。　    那我在这里先向大家丢出一个最常遇见的问题，如果数据库挂掉怎么办？        1. 手动改应用配置，太low；就算这不是太low的事情，但是当你有20个应用要手动改呢？      &n...

How To Fix NIC Link is Down On Centos 6.5  Centos6网卡:  e1000e Timesync Tx Control register not set as expectedSince upgrading a CentOS 6.4 with a SuperMicro X8SIE-F/X9SCL board with Intel 82574L NIC to 2.6.32-431.el6.x86_64 and rebooting, I have been having consistent NIC failures where the NIC shuts down permanently until a soft reboot is performed.Type the following commands to get more info about error# cat /var/log/messages | grep eth1 kernel: NETDEV WATCHDOG: eth1 (e1000e): transmit queue 0 timed out kernel: e1000e 0000:02:00.0: eth1: Reset adapter unexpectedly kernel: e1000e 0000:02:00.0: eth1: Timesync Tx Control register not set as expected kernel: e1000e 0000:02:00.0: eth1: Timesync Tx Control register not set as expected kernel: e1000e 0000:02:00.0: eth1: Timesync Tx Control register not set as expected kernel: ADDRCONF(NETDEV_UP): eth1: link is not ready# uname -a Linux svr.lifelinux.com 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 22 03:15:09 UTC 2013 x86_64 x86...

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ToughRADIUS快速指南准备一台完整的服务器，或者远程VPS，给服务器安装Linux系统，CentOS6以上，ubuntu13以上，或者其他你自己熟悉的Linux发行版。你要懂一点技术，比如安装操作系统，会在终端敲命令。ToughRADIUS 是Docker技术的拥抱者，如果想更好的使用ToughRADIUS，你也需要去学习关于Docker的知识。安装部署ToughRADIUS主要采用了Docker镜像部署的模式，ToughRADIUS的镜像基础是ubuntu 14。我们可以把Docker看作一个软件集装箱，半世纪之前，集装箱发挥了巨大的力量，改变了整个运输产业，也改变了人们的生活。而Docker就类似这样一个集装箱工具，只不过他封装的是软件。还记得linux安装lamp的经历吗？现在可以对各种安装配置apache，php等繁琐的工作说再见了。我们把ToughRADIUS相关的配置，运行依赖环境等全部打包在一个“Docker集装箱”里，我们只需要在我们的服务器上简单的安装一个支持运行“Docker集装箱”的环境，那么我们不用去折腾各种运行环境搭建就能简单的让ToughRADIUS跑起来。通常我们把封装了软件应用的“Docker集装箱”叫做镜像，有...

CentOS6 64bit系统配置vsftpd虚拟用户登陆 CentOS6 64bit系统配置vsftpd虚拟用户登陆，本文在Linode VPS上测试成功。准备工作$ yum install vsftpd db4-utils #添加虚拟用户,用户名和密码各占一行$ vim /etc/vsftpd/virtual_useruser1password1user2password2 #生成虚拟用户口令认证文件$ db_load -T -t hash -f /etc/vsftpd/virtual_user /etc/vsftpd/virtual_user.db #生成pam认证文件$ mv /etc/pam.d/vsftpd /etc/pam.d/vsftpd.bak$ vim /etc/pam.d/vsftpd    #写入如下两行,如果是32位系统,把lib64改为libauth    required    /lib64/security/pam_userdb.so    db=/etc/vsftpd/virtual_useraccount    required    /lib64/security/pam_userdb.so    db=/etc/vsftpd/virtual_user修改vsftp配置文件$ cp /etc/vsftpd/vsftpd.conf /etc/vsftpd/vsftpd.conf.ori$ vim /etc/vsftpd/vsftpd.conf anonymous_enable=NOlocal_enable=YESwrite_enable=YESlocal_umask=022dirmessage_enable=YESxferlog_enable=YESconnect_from_port_20=YESxf...

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Apache PHP Server Issue : Warning: POST Content-Length exceeding the limit PHP Warning: POST Content-Length of xxxxx bytes exceeds the limit of xxxxxx bytes in Unknown on line 0You receive the “POST Content-Length” error message when a file greater than the size defined in the php.ini file is uploaded via the browser.The file you are uploading using the POST method should not exceed the value of post_max_size defined in php.ini file. If it does, it results in the above error message.Solution:In case you are looking to upload a larger file size, you need to increase the value of “post_max_size” in php.ini.1) To locate the exact php.ini file, your PHP is using php -i | grep php.ini 2) Edit the php configuration file pico /usr/local/lib/php.ini 3) If you are looking to upload a file of 30M, set post_max_size and to upload_max_filesize to 40M. post_max_size = 40M upload_max_filesize = 40M 4) Save the file and restart the httpd service service httpd restart cha...